1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/******************************************************************************* 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Product of NIST/ITL Advanced Networking Technologies Division (ANTD). * 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*******************************************************************************/ 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.header; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.header.ContentTypeHeader; 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* ContentType SIP Header 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* <pre> 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*14.17 Content-Type 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* The Content-Type entity-header field indicates the media type of the 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* entity-body sent to the recipient or, in the case of the HEAD method, 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the media type that would have been sent had the request been a GET. 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Content-Type = "Content-Type" ":" media-type 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Media types are defined in section 3.7. An example of the field is 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Content-Type: text/html; charset=ISO-8859-4 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Further discussion of methods for identifying the media type of an 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* entity is provided in section 7.2.1. 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* From HTTP RFC 2616 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* </pre> 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*@version 1.2 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*@author M. Ranganathan <br/> 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*@author Olivier Deruelle <br/> 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*@version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:29 $ 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*@since 1.1 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class ContentType 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang extends ParametersHeader 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang implements javax.sip.header.ContentTypeHeader { 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Comment for <code>serialVersionUID</code> 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang private static final long serialVersionUID = 8475682204373446610L; 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** mediaRange field. 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected MediaRange mediaRange; 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Default constructor. 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public ContentType() { 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(CONTENT_TYPE); 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Constructor given a content type and subtype. 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param contentType is the content type. 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param contentSubtype is the content subtype 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public ContentType(String contentType, String contentSubtype) { 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this(); 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.setContentType(contentType, contentSubtype); 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** compare two MediaRange headers. 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param media String to set 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return int. 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public int compareMediaRange(String media) { 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return ( 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.type + "/" + mediaRange.subtype).compareToIgnoreCase( 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang media); 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Encode into a canonical string. 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return String. 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String encodeBody() { 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return encodeBody(new StringBuffer()).toString(); 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected StringBuffer encodeBody(StringBuffer buffer) { 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.encode(buffer); 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (hasParameters()) { 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang buffer.append(SEMICOLON); 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parameters.encode(buffer); 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return buffer; 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** get the mediaRange field. 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return MediaRange. 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public MediaRange getMediaRange() { 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return mediaRange; 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** get the Media Type. 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return String. 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getMediaType() { 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return mediaRange.type; 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** get the MediaSubType field. 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return String. 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getMediaSubType() { 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return mediaRange.subtype; 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Get the content subtype. 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@return the content subtype string (or null if not set). 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getContentSubType() { 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return mediaRange == null ? null : mediaRange.getSubtype(); 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Get the content subtype. 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@return the content tyep string (or null if not set). 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getContentType() { 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return mediaRange == null ? null : mediaRange.getType(); 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Get the charset parameter. 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getCharset() { 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return this.getParameter("charset"); 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Set the mediaRange member 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param m mediaRange field. 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setMediaRange(MediaRange m) { 165600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange = m; 166600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 167600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 168600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 169600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * set the content type and subtype. 170600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param contentType Content type string. 171600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param contentSubType content subtype string 172600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 173600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setContentType(String contentType, String contentSubType) { 174600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (mediaRange == null) 175600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange = new MediaRange(); 176600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.setType(contentType); 177600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.setSubtype(contentSubType); 178600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 179600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 180600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 181600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * set the content type. 182600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param contentType Content type string. 183600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 184600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 185600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setContentType(String contentType) throws ParseException { 186600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (contentType == null) 187600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null arg"); 188600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (mediaRange == null) 189600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange = new MediaRange(); 190600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.setType(contentType); 191600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 192600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 193600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 194600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Set the content subtype. 195600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param contentType String to set 196600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 197600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setContentSubType(String contentType) throws ParseException { 198600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (contentType == null) 199600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null arg"); 200600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (mediaRange == null) 201600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange = new MediaRange(); 202600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang mediaRange.setSubtype(contentType); 203600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 204600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 205600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public Object clone() { 206600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang ContentType retval = (ContentType) super.clone(); 207600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (this.mediaRange != null) 208600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang retval.mediaRange = (MediaRange) this.mediaRange.clone(); 209600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return retval; 210600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 211600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 212600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public boolean equals(Object other) { 213600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (other instanceof ContentTypeHeader) { 214600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang final ContentTypeHeader o = (ContentTypeHeader) other; 215600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return this.getContentType().equalsIgnoreCase( o.getContentType() ) 216600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang && this.getContentSubType().equalsIgnoreCase( o.getContentSubType() ) 217600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang && equalParameters( o ); 218600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 219600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return false; 220600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 221600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 222600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 223